1 // Copyright 2005 Alexander Nasonov.
2 // Distributed under the Boost Software License, Version 1.0. (See
3 // accompanying file LICENSE_1_0.txt or copy at
4 // http://www.boost.org/LICENSE_1_0.txt)
5
6 #include <climits>
7
8 #if !defined(BOOST_NO_CWCHAR)
9 #include <cwchar>
10 #endif
11
12 #include "promote_util.hpp"
13
14 struct Struct {};
15
main()16 int main()
17 {
18 // char types
19
20 #if CHAR_MAX <= INT_MAX
21 test_cv< char, int >();
22 #else
23 // TODO: dead branch?
24 test_cv< char, unsigned int >();
25 #endif
26
27 test_cv< signed char, int >();
28
29 #if UCHAR_MAX <= INT_MAX
30 test_cv< unsigned char, int >();
31 #else
32 test_cv< unsigned char, unsigned int >();
33 #endif
34
35
36 // short types
37
38 test_cv< short int, int >();
39
40 #if USHRT_MAX <= INT_MAX
41 test_cv< unsigned short, int >();
42 #else
43 test_cv< unsigned short, unsigned int >();
44 #endif
45
46
47 // int and long
48
49 test_cv< int, int >();
50 test_cv< unsigned int, unsigned int >();
51 test_cv< long, long >();
52 test_cv< unsigned long, unsigned long >();
53
54 // wchar_t
55
56 #if !defined(BOOST_NO_CWCHAR) && defined(WCHAR_MAX) && defined(WCHAR_MIN)
57
58 // Version prior to VC8 didn't allow WCHAR_MAX in #if expressions
59 #if defined(BOOST_MSVC) && BOOST_MSVC < 1400
60 # define BOOST_TT_AUX_WCHAR_MAX USHORT_MAX // force test_cv< wchar_t, int >
61 #elif defined(WCHAR_MAX) && !defined(__APPLE__)
62 # define BOOST_TT_AUX_WCHAR_MAX WCHAR_MAX
63 #elif defined(__BORLANDC__) || defined(__CYGWIN__) || defined(__MINGW32__) || (defined(__BEOS__) && defined(__GNUC__))
64 // No WCHAR_MIN and WCHAR_MAX, whar_t is short and unsigned:
65 # define BOOST_TT_AUX_WCHAR_MAX USHORT_MAX // force test_cv< wchar_t, int >
66 #elif (defined(__sgi) && (!defined(__SGI_STL_PORT) || __SGI_STL_PORT < 0x400))\
67 || (defined __APPLE__)\
68 || (defined(__OpenBSD__) && defined(__GNUC__))\
69 || (defined(__NetBSD__) && defined(__GNUC__))\
70 || (defined(__FreeBSD__) && defined(__GNUC__))\
71 || (defined(__DragonFly__) && defined(__GNUC__))\
72 || (defined(__hpux) && defined(__GNUC__) && (__GNUC__ == 3) && !defined(__SGI_STL_PORT))
73 // No WCHAR_MIN and WCHAR_MAX, wchar_t has the same range as int.
74 // - SGI MIPSpro with native library
75 // - gcc 3.x on HP-UX
76 // - Mac OS X with native library
77 // - gcc on FreeBSD, OpenBSD and NetBSD
78 # define BOOST_TT_AUX_WCHAR_MAX INT_MAX // force test_cv< wchar_t, int >
79 #elif defined(__hpux) && defined(__GNUC__) && (__GNUC__ == 2) && !defined(__SGI_STL_PORT)
80 // No WCHAR_MIN and WCHAR_MAX, wchar_t has the same range as unsigned int.
81 // - gcc 2.95.x on HP-UX
82 // (also, std::numeric_limits<wchar_t> appears to return the wrong values).
83 # define BOOST_TT_AUX_WCHAR_MAX UINT_MAX // force test_cv< wchar_t, int >
84 #endif
85
86 // For this PP-logic to work we need a valid WCHAR_MAX etc:
87 #if defined(BOOST_TT_AUX_WCHAR_MAX) \
88 && !defined(__DECCXX) \
89 && !defined(__hpux) \
90 && !defined(_WIN32_WCE)
91
92 #if BOOST_TT_AUX_WCHAR_MAX <= INT_MAX
93 test_cv< wchar_t, int >();
94 #elif WCHAR_MIN == 0 && BOOST_TT_AUX_WCHAR_MAX <= UINT_MAX
95 test_cv< wchar_t, unsigned int >();
96 #elif BOOST_TT_AUX_WCHAR_MAX <= LONG_MAX
97 test_cv< wchar_t, long >();
98 #else
99 test_cv< wchar_t, unsigned long >();
100 #endif
101
102 #endif
103
104 #undef BOOST_TT_AUX_WCHAR_MAX
105
106 #endif
107
108
109 // floating point promotion
110
111 test_cv< float , double >();
112 test_cv< double, double >();
113
114
115 // Other types
116
117 test_cv< Struct, Struct >();
118 test_cv< void , void >();
119 test_cv< void* , void* >();
120
121 // Array types
122
123 typedef int arr[3];
124 typedef int (&arr_ref)[3];
125 typedef int (*arr_ptr)[3];
126
127 test_cv< arr , arr >();
128 test_cv< arr_ptr, arr_ptr >();
129
130 test_no_cv<arr_ref,arr_ref>();
131
132
133 // Function types
134
135 typedef int (fun)();
136 typedef int (&fun_ref)();
137 typedef int (*fun_ptr)();
138
139 test_no_cv< fun , fun >();
140 test_no_cv< fun_ref, fun_ref >();
141 test_no_cv< fun_ptr, fun_ptr >();
142
143 // Member pointer types
144
145 typedef int (Struct::*mem_fun_ptr)();
146 typedef int Struct::*mem_ptr;
147
148 test_no_cv< mem_ptr, mem_ptr >();
149 test_no_cv< mem_fun_ptr, mem_fun_ptr >();
150
151 return 0;
152 }
153
154